• Published on: Jul 16, 2021
  • 3 minute read
  • By: Cancer Second Opinion Expert

The Most Common Cancer Questions

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The Most Common Cancer questions. Who gets cancer? Cancer can happen to Anyone, although the risk goes up with age. Your individual risk depends on factors such as whether you smoke, lifestyle choices such as what you eat and how much you exercise, your family history of cancer, and factors in your workplace and environment. How does cancer start in the first place? Our body is made up of many different types of cells. Under normal conditions, cells grow, divide, become old, and die. Then, in most cases, they’re replaced by new cells. But sometimes cells mutate grow out of control, and form a mass, or tumor, instead of dying. Tumors can be benign (noncancerous) or malignant (cancerous). Cancerous tumors can attack and kill your body’s tissues. They can also spread to other parts of the body, causing new tumors to form there. This process is called metastasis and it represents cancer that has advanced to a late stage. Is cancer genetic? Yes, Cancer is, in fact, a genetic disease. This is because cancer is caused by mutations or changes to genes that control the way our cells function, causing them to behave irregularly. These mutations can be inherited, as they are in about 5-10 percent of all cancer cases, but it’s much more likely that these gene changes occur during a person’s lifetime due to other factors besides genetics. When someone has a known family history of hereditary cancer, genetic testing is often recommended. Is cancer contagious? · No. Cancer isn’t like the flu or a cold. You can’t catch cancer from someone who has the disease. Is there a vaccine for cancer? Currently, there is no vaccine for cancer. But there are vaccines for some viruses that are known to cause cancer, such as the human papillomavirus (HPV) and hepatitis B. HPV can cause cancer, and getting vaccinated against it can help protect against the types of HPV that can lead to cervical, anal, throat, and penile cancers, along with some other forms of cancer. The HPV vaccine protects against many strains of the virus that can cause these cancers. The same is true for infection with the hepatitis B virus, which has been linked to liver cancer. Getting vaccinated against hepatitis B can reduce your risk of getting liver cancer. But just like the HPV vaccine, the hepatitis B vaccine doesn’t protect against liver cancer itself. It only protects against the virus that might lead to liver cancer. Can cancer be cured? Yes. When cancer treatment appears to be working, your doctor might say the cancer is in remission. A partial remission occurs when cancer shrinks but doesn’t disappear. Complete remission means there is no longer any sign of cancer. The longer cancer is in complete remission, the less likely it is to come back, and at some point, your doctor might say cancer has been cured. What are the stages of cancer, and what do they mean? Cancer typically has four stages: I through IV (1 through 4). Some cancers even have a stage 0 (zero). Here’s what these stages mean: Stage 0: This stage means the cancer is still found in the place it started and hasn’t spread to nearby tissues. Stage 0 cancers are often curable. Stage I: This stage usually represents a small tumor or cancer that hasn’t grown deeply into nearby tissues. It’s sometimes called early-stage cancer. Stages II and III: Usually these stages represent larger cancers or tumors that have grown more deeply into nearby tissues. They also may have spread to lymph nodes. However, they haven’t spread to other organs or parts of the body. • Stage IV: Cancer in this stage has spread to other organs or parts of the body. It may be referred to as metastatic or advanced cancer. Does cancer have symptoms? Some general signs and symptoms of cancer can include: • Unexplained weight loss • Fever • Fatigue • Pain • Skin changes • Bowel habit or bladder function changes • Sores that don’t heal • Unusual bleeding or discharge • A thickening or lumps in a part of the body, such as a breast • Indigestion or trouble swallowing • A recent change in a wart or mole • A nagging cough or hoarseness · How do cancer drugs work? · Chemotherapy uses drugs to destroy cancer cells. But chemotherapy drugs can also harm healthy cells, leading to treatment side effects. Newer drugs, called targeted drugs, block genes or proteins found in the cancer cells. Targeted therapy usually causes less harm to healthy cells, but it still has side effects. Immunotherapy uses hormones and other drugs that work with your immune system to treat cancer. When should I get tested for cancer? Recommendations for the types of screening tests and the ages you should get them vary according to cancer type. So, it’s a good idea to have a conversation with your doctor about what type of test you might need and when. (https://www.secondmedic.com)

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persistent feaver

Fever for 3 Days ? Should You Visit a Doctor or Wait

A fever lasting three days raises valid concern for patients and caregivers alike. While many febrile episodes resolve independently, a persistent fever lasting 72 hours warrants careful evaluation. Understanding when to seek medical attention and when watchful waiting is appropriate can prevent unnecessary complications and guide timely clinical intervention.


Should You Visit a Doctor If Fever Lasts for 3 Days?

A fever persisting for three consecutive days in adults generally requires medical evaluation, particularly when body temperature exceeds 103°F (39.4°C) or when additional symptoms such as breathlessness, severe headache, or rash are present. In children under five years, medical consultation is recommended after 48 to 72 hours of unresolved fever regardless of severity. Physicians advise against self-managing a three-day fever without professional assessment in high-risk populations.

Clinically, a three-day fever threshold is significant because most viral infections producing fever resolve within 48 to 72 hours. Fever persisting beyond this window may indicate a bacterial infection, an underlying inflammatory condition, or a secondary complication requiring targeted diagnostic workup. In the Indian clinical context, endemic infections such as dengue, typhoid, and malaria must be considered as potential etiologies when fever extends beyond 72 hours.


Common Causes of Persistent Fever in Adults and Children

Persistent fever lasting three or more days may originate from a range of infectious and non-infectious etiologies. Identifying the underlying cause is essential for selecting appropriate treatment.

Infectious Causes:

  • Viral infections: Influenza, dengue fever, chikungunya, COVID-19
  • Bacterial infections: Typhoid fever (enteric fever), urinary tract infections, pneumonia, tuberculosis
  • Parasitic infections: Malaria (particularly relevant in tropical regions of India)

Non-Infectious Causes:

  • Autoimmune or inflammatory conditions
  • Drug-induced fever (fever as an adverse drug reaction)
  • Post-vaccination fever (typically resolves within 48 hours)
Condition Typical Fever Duration Key Associated Symptoms
Viral fever 3 to 5 days Body ache, fatigue, runny nose
Dengue fever 5 to 7 days Severe joint pain, rash, low platelet count
Typhoid fever 7 to 14 days Abdominal pain, diarrhea or constipation, rose spots
Malaria Cyclical pattern Chills, sweating, rigors
Urinary tract infection Variable Burning urination, flank pain

What to Do When Fever Does Not Go Down After 3 Days

When fever does not subside after 72 hours, the immediate recommended course of action is to consult a general physician or internist for clinical assessment. Antipyretic medications such as paracetamol (acetaminophen) can manage symptom discomfort but do not treat the underlying cause. Blood investigations including a complete blood count (CBC), malarial antigen test, and dengue NS1 antigen test are standard first-line diagnostics in India.

Beyond seeking medical consultation, patients should maintain adequate hydration, rest, and nutritional intake. Oral rehydration is particularly important in a tropical climate where fever accelerates fluid loss. Specialists caution against self-prescribing antibiotics without laboratory confirmation, as indiscriminate antibiotic use contributes to antimicrobial resistance, a significant public health concern in India. Clinical data supports early laboratory testing as the most effective step when fever persists beyond three days.


Warning Signs That Require Immediate Medical Attention

Certain symptoms accompanying a three-day fever indicate medical emergencies requiring immediate hospital evaluation rather than home management.

Patients or caregivers should seek emergency care if any of the following are present:

  • Fever above 104°F (40°C) that does not respond to antipyretics
  • Severe headache with neck stiffness (possible meningitis)
  • Difficulty breathing or chest pain
  • Skin rash appearing alongside fever (possible dengue or viral exanthem)
  • Altered consciousness, confusion, or seizures
  • Persistent vomiting preventing oral hydration
  • Fever in infants below three months of age
  • Fever in immunocompromised patients (those on chemotherapy, steroids, or with HIV)
  • Signs of dehydration: sunken eyes, dry mouth, reduced urine output

In children, febrile seizures can occur at temperatures above 102°F (38.9°C). While often self-limiting, any seizure associated with fever requires urgent pediatric evaluation.


Can a 3-Day Fever Resolve Without Medical Treatment?

In otherwise healthy adults, a mild to moderate fever (below 102°F) lasting three days caused by a self-limiting viral infection can resolve without specific medical treatment. The immune system typically clears common viral pathogens within three to five days. Supportive care including rest, hydration, and antipyretics is sufficient in low-risk cases.

However, resolution without medical treatment is not advisable for children under five, adults above 65, pregnant women, or individuals with chronic conditions such as diabetes or heart disease. Clinical evidence consistently indicates that delayed diagnosis in these populations increases the risk of serious complications. In regions with high prevalence of vector-borne diseases such as dengue and malaria, assuming a self-limiting viral cause without testing carries significant risk. Medical consultation remains the safest and most clinically sound approach when fever persists beyond three days.

Medical Disclaimer

This content is intended for educational and informational purposes only and does not constitute medical advice, diagnosis, or treatment. Readers experiencing persistent fever or related symptoms should consult a qualified healthcare professional for evaluation and management.

If you are facing similar health concerns, consult expert doctors online through the SecondMedic app or visit your nearest SecondMedic Health Hub for in-person care

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